$INIS|4Dec 19, 2:24 PM ET

INTERNATIONAL ISOTOPES INC 4

4 · INTERNATIONAL ISOTOPES INC · Filed Dec 19, 2014

Form 4

Period: 2014-10-27

Chief Financial Officer

Transactions

Award
Stock Option (Right to Buy)
2014-10-27+1,000,000→ 1,000,000 total
Exercise: $0.04From: 2014-10-27Exp: 2017-10-31→ Common Stock (1,000,000 underlying)
Disposition to Issuer
Stock Option (Right to Buy)
2014-10-27−500,000→ 0 total
Exercise: $0.07Exp: 2019-05-04→ Common Stock (500,000 underlying)
Award
Stock Option (Right to Buy)
2014-10-27+1,250,000→ 1,250,000 total
Exercise: $0.04Exp: 2024-10-27→ Common Stock (1,250,000 underlying)
Disposition to Issuer
Stock Option (Right to Buy)
2014-10-27−1,000,000→ 0 total
Exercise: $0.07Exp: 2017-10-31→ Common Stock (1,000,000 underlying)
Award
Stock Option (Right to Buy)
2014-10-27+500,000→ 500,000 total
Exercise: $0.04From: 2014-10-27Exp: 2019-05-04→ Common Stock (500,000 underlying)

Footnotes (3)

[F1]The option is fully vested and exercisable on the date of grant.
[F2]The reporting person agreed to cancellation of a previously granted option in exchange for a new option having a lower exercise price.
[F3]The stock option vests as follows: one-third is vested on the grant date and an additional one-third vests on each succeeding anniversary of the grant date over the following two years so that 100% of the stock option will be vested on the second anniversary of the grant date.

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